CN116674331A - Floating bridge suspension mechanism and scissor type aerial work platform truck - Google Patents
Floating bridge suspension mechanism and scissor type aerial work platform truck Download PDFInfo
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- CN116674331A CN116674331A CN202310722315.6A CN202310722315A CN116674331A CN 116674331 A CN116674331 A CN 116674331A CN 202310722315 A CN202310722315 A CN 202310722315A CN 116674331 A CN116674331 A CN 116674331A
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Abstract
A floating bridge suspension mechanism mounted on the frame, the floating bridge suspension mechanism comprising a micro control unit, an angle sensor, a front floating bridge assembly and a rear floating bridge assembly; the front floating bridge assembly is arranged at the front end of the frame and comprises a front floating bridge frame and two groups of front floating oil cylinders, the front floating bridge frame is hinged at the front end of the frame through a front mounting shaft, and the front mounting shaft is arranged in the front-rear horizontal direction; in summary, the inclination of the frame is monitored in real time through the angle sensor, the monitoring signal is transmitted to the micro control unit, and the micro control unit commands the front floating oil cylinder and/or the rear floating oil cylinder to perform corresponding actions according to the inclination signal, so that the frame is adjusted under the pushing of the front floating oil cylinder and/or the rear floating oil cylinder, the frame is in a flat state, the whole structure is reasonable in design, the frame can be adjusted according to multiple scenes, the safety operation needs are met, and the practicability is high.
Description
Technical Field
The invention belongs to the technical field of overhead working vehicles, and particularly relates to a floating bridge suspension mechanism and a scissor type overhead working platform vehicle.
Background
The scissor type aerial work platform truck is common aerial work equipment and is widely applied to the fields of construction, maintenance, cleaning and the like. The existing scissor type aerial work platform truck has the disadvantages that the hub is directly arranged on the frame, a suspension mechanism is not arranged in the middle, and if walking or aerial work is performed on a road with uneven topography, the risk of rollover exists, so that the existing scissor type aerial work platform truck can only walk or work on a flat and hardened road, and the application scene of the scissor type aerial work platform is definitely limited.
Disclosure of Invention
The invention aims to provide a floating bridge suspension mechanism and a scissor type aerial work platform truck, and solves the technical problem that the existing scissor type aerial work platform truck is limited in application scene due to the fact that the suspension mechanism is not arranged.
In order to solve the technical problems, the invention adopts the following technical scheme: a floating bridge suspension mechanism mounted on the frame, the floating bridge suspension mechanism comprising a micro control unit, an angle sensor, a front floating bridge assembly and a rear floating bridge assembly;
the front floating bridge assembly is arranged at the front end of the frame and comprises a front floating bridge frame and two groups of front floating oil cylinders, the front floating bridge frame is hinged at the front end of the frame through a front mounting shaft, the front mounting shaft is arranged in the front-rear horizontal direction, the two groups of front floating oil cylinders are symmetrically arranged at the two sides of the front mounting shaft in a left-right direction, each group of front floating oil cylinders are arranged in an inclined direction, the cylinder body end parts of the front floating oil cylinders are hinged on the frame, and the push rod end parts of the front floating oil cylinders are hinged on the front floating bridge frame; two front wheels are arranged on the front floating bridge;
the rear floating bridge assembly is arranged at the rear end of the frame and comprises a rear floating oil cylinder, a rear floating bridge frame and a rear floating seat, the front part or the rear part of the rear floating bridge frame is hinged at the rear end of the frame through a rear mounting shaft, the rear mounting shaft is arranged in the left-right horizontal direction, the rear floating oil cylinder is arranged in the vertical direction, the end part of the cylinder body of the rear floating oil cylinder is hinged on the frame, and the end part of the push rod of the rear floating oil cylinder is hinged at the front part of the rear floating bridge frame; the rear floating seat is hinged on the rear floating bridge frame through a connecting shaft, the connecting shaft is arranged along the front-rear horizontal direction, and rear wheels are arranged at the left end and the right end of the rear floating seat;
the micro-control unit and the angle sensor are arranged on the frame, and the micro-control unit is respectively connected with the angle sensor, the rear floating oil cylinder and the two groups of front floating oil cylinders.
Further, two floating bridge shafts are fixed on the front floating bridge frame and symmetrically arranged on two sides of the front mounting shaft, a hinge sleeve is sleeved on each floating bridge shaft, and the end parts of push rods of the two groups of front floating cylinders are connected to the hinge sleeves of the two floating bridge shafts.
Further, each front wheel is arranged on a wheel seat, and the wheel seat is rotatably arranged on the front floating bridge frame through a vertical shaft;
the front floating bridge is also provided with a front wheel synchronous steering mechanism, the front wheel synchronous steering mechanism comprises a mounting seat and a double-output-rod steering cylinder, the mounting seat is fixed on the front floating bridge, the double-output-rod steering cylinder is fixed on the mounting seat, two push rod ends of the double-output-rod steering cylinder are respectively connected to the two wheel seats through connecting pieces, and two ends of the connecting pieces are respectively hinged to the push rod ends of the double-output-rod steering cylinder and the wheel seats through pin shafts; the micro control unit is in control connection with the double-output-rod steering cylinder.
The scissor type aerial work platform truck comprises the floating bridge suspension mechanism.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the inclination of the frame is monitored in real time through the angle sensor, the monitoring signal is transmitted to the micro control unit, and the micro control unit commands the front floating oil cylinder and/or the rear floating oil cylinder to perform corresponding actions according to the inclination signal, so that the frame is adjusted under the pushing of the front floating oil cylinder and/or the rear floating oil cylinder, the frame is in a flat state, the safe running or operation of the scissor type aerial work platform truck on an uneven road surface is ensured, the overall structure design is reasonable, the adjustment can be performed according to multiple scenes, the safety operation requirement is met, and the practicability is strong.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a scissor type aerial work platform truck of the present invention;
FIG. 2 is a schematic structural view of a front floating axle assembly;
FIG. 3 is a schematic installation view of a front floating axle assembly;
FIG. 4 is a schematic structural view of a rear floating axle assembly;
FIG. 5 is a schematic installation view of a rear floating axle assembly;
FIG. 6 is a view of the scissor type aerial work platform truck of the present invention in a pothole;
FIG. 7 is a view of the scissor type aerial work platform truck of the present invention in a flat road surface;
FIG. 8 is a view showing a state of the scissor fork type aerial work platform truck of the present invention when being positioned on a front-rear inclined road surface;
fig. 9 is a schematic structural view of a front-wheel synchronous steering mechanism in embodiment 2 of the present invention;
FIG. 10 is a schematic view showing the installation of a rear floating axle assembly according to embodiment 3 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention is described in further detail below with reference to examples.
The invention provides a concrete embodiment 1 of a scissor type aerial work platform truck, which comprises the following steps:
as shown in fig. 1, the scissor type aerial work platform vehicle comprises a frame 1, wherein a floating bridge suspension mechanism is arranged on the frame 1, and comprises a micro control unit, an angle sensor, a front floating bridge assembly 2 and a rear floating bridge assembly 3;
as shown in fig. 2, in order to remove one front side plate 7, a front floating bridge assembly 2 is installed on a frame 1, fig. 3 is an installation schematic diagram of the front floating bridge assembly 2, the front floating bridge assembly 2 is installed at the front end of the frame 1, the front floating bridge assembly 2 comprises a front floating bridge frame 4 and two groups of front floating cylinders 5, the front end of the frame 1 is provided with a top plate 6 and two front side plates 7, the two front side plates 7 are fixed at two ends of the top plate 6, the front floating bridge frame 4 is positioned between the two front side plates 7, the front floating bridge frame 4 is hinged on the two front side plates 7 through a front installation shaft 8, and the front installation shaft 8 is arranged along the front-rear horizontal direction;
the two groups of front floating cylinders 5 are installed as follows: two first hinging seats 9 are arranged on the top plate 6, two floating bridge shafts 10 are fixed on the front floating bridge 4, the two floating bridge shafts 10 are symmetrically arranged on two sides of the front mounting shaft 8, hinging sleeves 11 are sleeved on each floating bridge shaft 10, two groups of front floating cylinders 5 are arranged along the inclined direction, the cylinder body ends of the two groups of front floating cylinders 5 are respectively hinged on the two first hinging seats 9 through cylinder pin shafts 30, the push rod ends of the two groups of front floating cylinders 5 are connected to the hinging sleeves 11 of the two floating bridge shafts 10, and two front wheels 12 are arranged on the front floating bridge 4; the micro control unit controls the push rod of one group of front floating oil cylinders 5 to extend out, and the front floating oil cylinders 5 can drive the front floating bridge 4 to rotate along the axis of the front mounting shaft 8.
As shown in fig. 4 and 5, the rear floating axle assembly 3 is mounted at the rear end of the frame 1, the rear floating axle assembly 3 comprises a rear floating cylinder 13, a rear floating bridge 14 and a rear floating seat 15, a first rear side plate 16 is arranged at the rear end of the frame 1, a second hinging seat 17 is arranged on the first rear side plate 16, the rear part of the rear floating bridge 14 is hinged on the second hinging seat 17 through a rear mounting shaft 18, the rear mounting shaft 18 is arranged along the left-right horizontal direction, the rear floating cylinder 13 is arranged along the vertical direction, the cylinder body end part of the rear floating cylinder 13 is hinged on the frame 1 through a cylinder hinging shaft 19, the push rod end part of the rear floating cylinder 13 is hinged at the front part of the rear floating bridge 14, when the push rod of the rear floating cylinder 13 moves, the rear floating bridge 14 can be pulled to swing back and forth around the rear mounting shaft 18, the rear floating seat 15 is hinged on the rear floating bridge 14 through a connecting shaft 20, the connecting shaft 20 is arranged along the front-back horizontal direction, the rear floating seat 15 can swing left and right around the connecting shaft 20, and rear wheels 21 are mounted at the left and right ends of the rear floating seat 15;
the micro-control unit and the angle sensor are installed on the frame 1, the micro-control unit is respectively connected with the angle sensor, the rear floating cylinder 13 and the two groups of front floating cylinders 5, the micro-control unit and the angle sensor are all of the prior art, and the specific structure and the working principle of the micro-control unit and the angle sensor are not described herein.
In this embodiment, the front floating axle assembly 2 floats up and down through the expansion and contraction of the two sets of front floating cylinders 5, so as to actively float, the rear floating seat 15 floats passively, for example, as shown in fig. 6, when the scissor type aerial work platform truck is in a walking or working state, if the ground is uneven, the frame 1 tilts rightwards, the angle sensor monitors a signal that the frame 1 tilts rightwards, the signal is transmitted to the micro control unit, the micro control unit controls the push rod of the front floating cylinder 5 on the right side to extend out, the front floating cylinder 5 on the right side jacks up the frame 1 on the right half part, so that the frame 1 is in a horizontal state, and under the gravity action of the frame 1, the rear floating seat 15 rotates around the connecting shaft 20, and the two rear wheels 21 are in contact with the road surface, so that the passive adjustment of the rear floating seat 15 is formed, and finally the safe passing of the inclined, convex or hollow road surface of the scissor type aerial work platform truck is ensured.
As shown in fig. 7, in a state diagram of the scissor type aerial work platform vehicle on a flat road surface, the rear floating bridge assembly 3 can enable the frame 1 to ascend through the rear floating cylinder 13, when the scissor type aerial work platform vehicle ascends on a slope or works, the front part of the frame 1 is higher than the rear part as shown by the entering of soil 8, the frame 1 inclines, the angle sensor monitors the signal and then transmits the signal to the micro control unit, the micro control unit commands the push rod of the rear floating cylinder 13 to extend, the push rod of the rear floating cylinder 13 extends and pushes the rear floating bridge 14 to move downwards, and the rear part of the frame 1 is jacked up, so that the frame 1 is in a horizontal state, and safe work on the slope is realized.
The two front wheels 12 and the two rear wheels 21 of the present embodiment are driven by corresponding motors 22, respectively, and the four sets of motors 22 cooperate to drive the front wheels 12 and the rear wheels 21 to travel on the ground.
The invention provides a concrete embodiment 2 of a scissor type aerial work platform truck, which comprises the following steps:
the difference from the specific embodiment 1 is that, as shown in fig. 9, the front floating bridge 4 is further provided with a front wheel synchronous steering mechanism, specifically, each front wheel 12 is mounted on a wheel seat 23, two shaft sleeves 24 are fixed on the front floating bridge 4, and the wheel seat 23 is rotatably mounted on the front floating bridge 4 through a vertical shaft 25 penetrating through the shaft sleeves 24;
the front wheel synchronous steering mechanism comprises a mounting seat 26 and a double-output-rod steering cylinder 27, wherein the mounting seat 26 is fixed on the front floating bridge 4, the double-output-rod steering cylinder 27 is fixed on the mounting seat 26, two push rod ends of the double-output-rod steering cylinder 27 are respectively connected to two wheel seats 23 through a connecting piece 28, and two ends of the connecting piece 28 are respectively hinged to the push rod ends of the double-output-rod steering cylinder 27 and the wheel seats 23 through pin shafts 29; the micro control unit is in control connection with the double-rod steering cylinder 27, the micro control unit controls the double-rod steering cylinder 27 to start, and the double-rod steering cylinder 27 synchronously pulls the two wheel seats 23 through the connecting piece 28, so that the two wheel seats 23 rotate around the axis of the vertical shaft 25 in the same direction, and steering of the two front wheels 12 is achieved.
The invention provides a concrete embodiment 3 of a scissor type aerial work platform truck, which comprises the following steps:
the difference from embodiment 1 is that, as shown in fig. 10, the front part of the rear floating bridge 14 of the present embodiment is hinged to the rear end of the frame 1 by the rear mounting axle 18, specifically, a second rear side plate 31 is provided at the rear end of the frame 1, the second rear side plate 31 is located in front of the rear floating bridge 14, a third hinge base 32 is provided on the second rear side plate 31, and the front part of the rear floating bridge 14 is hinged to the third hinge base 32 by the rear mounting axle 18;
in the embodiment 1, the rear portion of the rear floating bridge 14 is hinged to the rear end of the frame 1, and compared with the installation mode of the rear floating bridge 14 in the embodiment 1, the movement range of the rear floating bridge 14 is larger.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A suspension mechanism for a floating bridge mounted on a vehicle frame, characterized in that: the floating bridge suspension mechanism comprises a micro control unit, an angle sensor, a front floating bridge assembly and a rear floating bridge assembly;
the front floating bridge assembly is arranged at the front end of the frame and comprises a front floating bridge frame and two groups of front floating oil cylinders, the front floating bridge frame is hinged at the front end of the frame through a front mounting shaft, the front mounting shaft is arranged in the front-rear horizontal direction, the two groups of front floating oil cylinders are symmetrically arranged at the two sides of the front mounting shaft in a left-right direction, each group of front floating oil cylinders are arranged in an inclined direction, the cylinder body end parts of the front floating oil cylinders are hinged on the frame, and the push rod end parts of the front floating oil cylinders are hinged on the front floating bridge frame; two front wheels are arranged on the front floating bridge;
the rear floating bridge assembly is arranged at the rear end of the frame and comprises a rear floating oil cylinder, a rear floating bridge frame and a rear floating seat, the front part or the rear part of the rear floating bridge frame is hinged at the rear end of the frame through a rear mounting shaft, the rear mounting shaft is arranged in the left-right horizontal direction, the rear floating oil cylinder is arranged in the vertical direction, the end part of the cylinder body of the rear floating oil cylinder is hinged on the frame, and the end part of the push rod of the rear floating oil cylinder is hinged at the front part of the rear floating bridge frame; the rear floating seat is hinged on the rear floating bridge frame through a connecting shaft, the connecting shaft is arranged along the front-rear horizontal direction, and rear wheels are arranged at the left end and the right end of the rear floating seat;
the micro-control unit and the angle sensor are arranged on the frame, and the micro-control unit is respectively connected with the angle sensor, the rear floating oil cylinder and the two groups of front floating oil cylinders.
2. A floating bridge suspension mechanism as claimed in claim 1 wherein: the front floating bridge frame is fixedly provided with two floating bridge shafts which are symmetrically arranged on two sides of the front mounting shaft, each floating bridge shaft is sleeved with a hinge sleeve, and the end parts of push rods of the two groups of front floating oil cylinders are connected to the hinge sleeves of the two floating bridge shafts.
3. A floating bridge suspension mechanism as claimed in claim 2 wherein: each front wheel is arranged on a wheel seat, and the wheel seat is rotatably arranged on a front floating bridge through a vertical shaft;
the front floating bridge is also provided with a front wheel synchronous steering mechanism, the front wheel synchronous steering mechanism comprises a mounting seat and a double-output-rod steering cylinder, the mounting seat is fixed on the front floating bridge, the double-output-rod steering cylinder is fixed on the mounting seat, two push rod ends of the double-output-rod steering cylinder are respectively connected to the two wheel seats through connecting pieces, and two ends of the connecting pieces are respectively hinged to the push rod ends of the double-output-rod steering cylinder and the wheel seats through pin shafts; the micro control unit is in control connection with the double-output-rod steering cylinder.
4. Scissor fork type aerial work platform truck, its characterized in that: a floating bridge suspension comprising the suspension of any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310722315.6A CN116674331A (en) | 2023-06-19 | 2023-06-19 | Floating bridge suspension mechanism and scissor type aerial work platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310722315.6A CN116674331A (en) | 2023-06-19 | 2023-06-19 | Floating bridge suspension mechanism and scissor type aerial work platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116674331A true CN116674331A (en) | 2023-09-01 |
Family
ID=87788905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310722315.6A Pending CN116674331A (en) | 2023-06-19 | 2023-06-19 | Floating bridge suspension mechanism and scissor type aerial work platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116674331A (en) |
-
2023
- 2023-06-19 CN CN202310722315.6A patent/CN116674331A/en active Pending
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